fix: null reference in relative link rule

apache · Nov 2, 2020 · b94b2a8 · b94b2a8
1 parent c36ce15
commit b94b2a8
Showing 1 changed file with 7 additions and 3 deletions.
diff --git a/rules.js b/rules.js
@@ -35,9 +35,13 @@ class RelativeLinks extends Rule {
 
   setup() {
     this.on("dom:ready", event => {
-      event.document.querySelectorAll('a').forEach(a => {
-        const href = a.getAttribute("href").value;
-        if (href && href.startsWith("https://camel.apache.org")) {
+      const anchors = event.document.querySelectorAll('a');
+      if (anchors === null) {
+        return;
+      }
+      anchors.forEach(a => {
+        const href = a.getAttribute("href");
+        if (href && href.value.startsWith("https://camel.apache.org")) {
           this.report(a, `For links within camel.apache.org use relative links, found: ${href}`);
         }
       });